#!/bin/bash
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.


STRIKE_FILE="[RROUTER_BIN_PATH]/keepalived.strikes"

if [ -e [RROUTER_BIN_PATH]/keepalived.ts2 ]
then
    lasttime=$(cat [RROUTER_BIN_PATH]/keepalived.ts2)
    thistime=$(cat [RROUTER_BIN_PATH]/keepalived.ts)
    diff=$(($thistime - $lasttime))
    s=0
    if [ $diff -lt 30 ]
    then
        if [ -e $STRIKE_FILE ]
        then
            s=`cat $STRIKE_FILE 2>/dev/null`
        fi
        s=$(($s+1))
        echo $s > $STRIKE_FILE
    else
        rm $STRIKE_FILE
    fi
    #3 strikes rule
    if [ $s -gt 2 ]
    then
        echo Keepalived process is dead! >> [RROUTER_LOG]
        [RROUTER_BIN_PATH]/services.sh stop >> [RROUTER_LOG] 2>&1
        [RROUTER_BIN_PATH]/disable_pubip.sh >> [RROUTER_LOG] 2>&1
        [RROUTER_BIN_PATH]/primary-backup.sh fault >> [RROUTER_LOG] 2>&1
        service keepalived stop >> [RROUTER_LOG] 2>&1
        service conntrackd stop >> [RROUTER_LOG] 2>&1
        pkill -9 keepalived >> [RROUTER_LOG] 2>&1
        pkill -9 conntrackd >> [RROUTER_LOG] 2>&1
        echo Status: FAULT \(keepalived process is dead\) >> [RROUTER_LOG]
        exit
    fi
fi

cp [RROUTER_BIN_PATH]/keepalived.ts [RROUTER_BIN_PATH]/keepalived.ts2
